1985 - On /Diagnostic Codes

1985-on Diagnostic Codes

With both types, push the Off and High Fan buttons at the same time to clear trouble codes.

1985 DIAGNOSTIC CODES Code Malfunction

12 No Distributor Signal
13 Oxygen Sensor Not Ready
14 Shorted Coolant Sensor circuit
15 Open Coolant Sensor Circuit
16 Generator Voltage Out of Range
18 Open Crank Signal Circuit
19 Shorted Fuel Pump Circuit
20 Open Fuel Pump Circuit
21 Shorted Throttle Position Sensor Circuit
22 Open throttle Position Sensor Circuit
23 EST/Bypass Circuit Problem
24 Speed Sensor Circuit Problem
26 Shorted Throttle Switch Circuit
27 Open Throttle Switch Circuit
28 Open Fourth Gear Circuit
29 Shorted Fourth Gear circuit
30 ISC Circuit Problem
31 Shorted MAP Sensor Circuit
32 Open Map Sensor Circuit
33 MAP/BARO Sensor Correlation
34 MAP Signal Too High
35 Shorted BARO Sensor Circuit
36 Open BARO Sensor Circuit
37 Shorted Mat Sensor Circuit
38 Open Mat Sensor circuit
39 TCC Engagement Problem
44 Lean Exhaust Signal
45 Rich Exhaust Signal
51 PROM Error Indicator
52 ECM Memory Reset Indicator
53 Distributor Signal Interrupt
60 Transmission Not in Drive
63 Car Speed and Set Speed Difference Too High
64 Car Acceleration Too High
65 Coolant Temperature Too High
66 Engine RPM Too High
67 Cruise Switch Shorted During Enable

1986-ON ECM DIAGNOSTIC CODES
Code Malfunction

E012 No Distributor Signal
E013 Oxygen Sensor Not Ready (AIR & CL)
E014 Shorted Coolant Sensor Circuit (AIR)
E015 Open Coolant Sensor Circuit (AIR)
E016 Generator Voltage Out of Range (All Solenoids)
E018 Open Crank Signal Circuit
E019 Shortage Fuel Pump Circuit
E020 Open Fuel Pump Circuit
E021 Shorted Throttle Position Sensor Circuit
E022 Open Throttle Position Sensor Circuit
E023 EST/Bypass Circuit Problem (AIR)
E024 Speed Sensor Circuit Problem (VCC)
E026 Shorted Throttle Switch Circuit
E027 Open Throttle Switch Circuit
E028 Open third or Fourth Gear Circuit
E030 ISC Circuit Problem
E031 Shorted MAP Sensor Circuit (AIR)
E032 Open MAP Sensor circuit (AIR)
E034 MAP Sensor Signal Too High (AIR)
E037 Shorted MAT Sensor Circuit (AIR)
E038 Open MAT Sensor Circuit (AIR)
E039 VCC Engagement Problem
E040 Open Power Steering Pressure Switch Circuit (EGR)
E044 Lean Exhaust Signal (AIR & CL)
E045 Rich Exhaust Signal (AIR & CL)
E047 BCM-ECM Data Problem
E048 EGR System Fault (EGR)
E052 ECM Memory Reset Indicator
E053 Distributor Signal Interrupt
E055 TPS Misadjusted
E059 VCC Temperature Sensor Circuit Problem
E060 Cruise-Transmission Not in Drive (Cruise)
E063 Cruise-Car Speed & Set Speed Difference Too High (Cruise)
E064 Cruise-Car Acceleration Too High (Cruise)
E065 Cruise-Servo Position Sensor Failure
E066 Cruise-Engine RPM Too High (Cruise)
E067 Cruise-Cruise Switch Shorted During Enable

Note
Functions within parenthesis are disabled while specific malfunction remains current.